3-Bromo-4-fluoro-5-nitrobenzamide CAS 1345471-86-4
| CAS No. | 1345471-86-4 |
| Molecular Formula | C7H4BrFN2O3 |
| Molecular Weight | 263.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H4BrFN2O3, 3-Bromo-4-fluoro-5-nitrobenzamide contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 263.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-Bromo-4-fluoro-5-nitrobenzamide (CAS 1345471-86-4) is a high-purity analytical reference standard with the molecular formula C7H4BrFN2O3 and a molecular weight of 263.02 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H4BrFN2O3 |
| Molecular Weight | 263.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 2-Bromo-3-fluoro-6-nitrobenzamide (CAS 1093204-16-0)
- 2-Bromo-5-Fluoroterephthalic acid (CAS 1245807-64-0)
- 4-Bromo-5-fluoro-2-nitrobenzamide (CAS 1527490-62-5)
- 5-Bromo-3-fluoro-2-nitrobenzamide (CAS 1805030-52-7)
- 5-Bromo-4-fluoro-2-nitrobenzamide (CAS 1805557-27-0)
- 2-Bromo-6-fluoro-3-nitrobenzamide (CAS 1805593-34-3)
- 3-Bromo-5-fluoro-4-nitrobenzamide (CAS 1807089-08-2)
- 3-Bromo-4-fluorophthalic acid (CAS 2828433-78-7)
Recommended Standards
- 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)isoxazole (CAS 1356579-34-4)
- (2-Isobutoxy-5-(trifluoromethyl)pyridin-3-yl)boronic acid (CAS 1218790-68-1)
- (2-Butoxy-5-(trifluoromethyl)pyridin-3-yl)boronic acid (CAS 1218790-64-7)
- 2,4-Dichloro-3-(difluoromethoxy)benzodifluoride (CAS 1803712-59-5)
- (Z)-2-((4-(tert-butyl)phenyl)sulfonyl)-N'-((thiophene-2-carbonyl)oxy)acetimidamide (CAS 1025643-68-8)
- Non-3-yne (CAS 20184-89-8)
- 2-Cyclohexyl-1-phenylethan-1-amine (CAS 4442-88-0)
- 6-Chloro-3-methylpyridin-2-ol (CAS 1261576-82-2)
- 1-(3-(4-Iodo-1h-pyrazol-1-yl)phenyl)ethan-1-one (CAS 1519748-73-2)
- (1S,2S)-1,2-bis(3,5-dimethylphenyl)ethane-1,2-diamine (CAS 158391-59-4)
- (3aR,7aS)-rel-2-tert-Butyl 7a-ethyl hexahydro-1H-pyrrolo[3,4-c]pyridine-2,7a(3H)-dicarboxylate (CAS 1217622-72-4)
- 7-(4-Methoxyphenyl)-3,4-dihydro-1H-1,4-diazepin-5(2H)-one (CAS 3295-04-3)
- Faropenem Impurity 58 (CAS CATO-C4X-128958)
- Semaglutide impurity 76 (CAS CATO-C4X-222676)
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